5 Ton Convertible Natural Gas/Electric Packaged Unit, Volts: 208-230, Hertz: 60, Phase: 1, Refrigerant: R410A, Factory Charge: 125 Oz, Eer: 11, Department Of Energy Guide Seer (Range): 14, Cfm: 1800, BTU Input: 126000, BTU Output: 102100, Cooling Btu: 57000, Heating Btu: 126000, Return Dims: 17"H X 19.75"W, Supply Dims: 14.25"H X 19.5"W, Overall Dims: 40-7/8"H X 46-3/4"W X 46-3/4"D, Weight: 491 Lbs